Alice is participating in a research study in which she completes a questionnaire every year. She has been doing this for the past five years, and the purpose of the research is to study how consumers' attitudes and preferences toward various food products change as they age. This type of study in which respondents are questioned at multiple points in time is called a _____.
A) cross-sectional study
B) longitudinal study
C) permanent study
D) structured study

Question

Quizplus · Accepted Answer

A longitudinal study follows the same participants over time and measures changes in attitudes, behaviors, or other variables. The given scenario describes a longitudinal study in which Alice completes a questionnaire every year for the past five years to evaluate the changes in her food product preferences, unlike a cross-sectional study where data is collected at a single point in time. The other options, permanent study and structured study, are not commonly used terms in research methods.

Alice Is Participating in a Research Study in Which She